avocado app: Review command line options regarding test results output.

Group together jsonresult, xunitresult, htmlresult and journal
inside "output related arguments".

Side effect: export `self.parser.runner.output` to the plugins.
Signed-off-by: NRudá Moura <rmoura@redhat.com>

avocado/plugins/htmlresult.py

@@ -296,7 +296,7 @@ class HTML(plugin.Plugin):
             self.enabled = False
             return
         self.parser = parser
-        self.parser.runner.add_argument(
+        self.parser.runner.output.add_argument(
             '--html', type=str,
             dest='html_output',
             help=('Enable HTML output to the file where the result should be '
@@ -304,14 +304,14 @@ class HTML(plugin.Plugin):
                   'since not all HTML resources can be embedded into a '
                   'single file (page resources will be copied to the '
                   'output file dir)'))
-        self.parser.runner.add_argument(
+        self.parser.runner.output.add_argument(
             '--relative-links',
             dest='relative_links',
             action='store_true',
             default=False,
             help=('On the HTML report, generate anchor links with relative '
                   'instead of absolute paths. Current: %s' % False))
-        self.parser.runner.add_argument(
+        self.parser.runner.output.add_argument(
             '--open-browser',
             dest='open_browser',
             action='store_true',

avocado/plugins/journal.py

@@ -123,7 +123,7 @@ class Journal(plugin.Plugin):
 
     def configure(self, parser):
         self.parser = parser
-        self.parser.runner.add_argument(
+        self.parser.runner.output.add_argument(
             '--journal', action='store_true',
             help='Records test status changes')
         self.configured = True

avocado/plugins/jsonresult.py

@@ -102,7 +102,7 @@ class JSON(plugin.Plugin):
 
     def configure(self, parser):
         self.parser = parser
-        self.parser.runner.add_argument(
+        self.parser.runner.output.add_argument(
             '--json', type=str,
             dest='json_output',
             help='Enable JSON output to the file where the result should be written. '

avocado/plugins/runner.py

@@ -77,17 +77,20 @@ class TestRunner(plugin.Plugin):
                                        '(hardware details, profilers, etc.). '
                                        'Current:  %(default)s'))
 
-        out = self.parser.add_argument_group('output related arguments')
+        self.parser.output = self.parser.add_argument_group('output related arguments')
 
-        out.add_argument('-s', '--silent', action='store_true', default=False,
+        self.parser.output.add_argument(
+            '-s', '--silent', action='store_true', default=False,
             help='Silence stdout')
 
-        out.add_argument('--show-job-log', action='store_true', default=False,
+        self.parser.output.add_argument(
+            '--show-job-log', action='store_true', default=False,
             help=('Display only the job log on stdout. Useful '
                   'for test debugging purposes. No output will '
                   'be displayed if you also specify --silent'))
 
-        out.add_argument('--job-log-level', action='store',
+        self.parser.output.add_argument(
+            '--job-log-level', action='store',
             help=("Log level of the job log. Options: "
                   "'debug', 'info', 'warning', 'error', "
                   "'critical'. Current: debug"),

avocado/plugins/xunit.py

@@ -227,7 +227,7 @@ class XUnit(plugin.Plugin):
 
     def configure(self, parser):
         self.parser = parser
-        self.parser.runner.add_argument(
+        self.parser.runner.output.add_argument(
             '--xunit', type=str, dest='xunit_output',
             help=('Enable xUnit output to the file where the result should be written. '
                   "Use '-' to redirect to the standard output."))